20313222303132 has 144 divisors (see below), whose sum is σ = 59326887739392. Its totient is φ = 5791808586240.

The previous prime is 20313222303089. The next prime is 20313222303139. The reversal of 20313222303132 is 23130322231302.

20313222303132 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 3 + 222 + 303 + 132 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 20313222303096 and 20313222303105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313222303139) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23699683 + ... + 24541829.

It is an arithmetic number, because the mean of its divisors is an integer number (411992275968).

Almost surely, 2^{20313222303132} is an apocalyptic number.

20313222303132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313222303132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29663443869696).

20313222303132 is an abundant number, since it is smaller than the sum of its proper divisors (39013665436260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20313222303132 is a wasteful number, since it uses less digits than its factorization.

20313222303132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845768 (or 845763 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20313222303132 its reverse (23130322231302), we get a palindrome (43443544534434).

The spelling of 20313222303132 in words is "twenty trillion, three hundred thirteen billion, two hundred twenty-two million, three hundred three thousand, one hundred thirty-two".